Line Keeper Tool

Line Keeper Tool

Extract only the lines that contain specific words or phrases from your text.

Words or phrases to keep (separate by commas):

Line delimiter:

Case sensitive

Kept 0 out of 0 lines (0%)

How to Use the Line Keeper Tool

1. Paste your text in the input box above
2. Enter keywords or phrases you want to keep (separate multiple terms with commas)
3. Choose options like case sensitivity and line delimiter
4. Click "Keep Matching Lines" to filter your text
5. Copy the results to use them elsewhere

Practical Applications

• Extract relevant lines from log files
• Filter important information from large documents
• Process CSV or TSV data by specific columns
• Analyze survey responses containing certain keywords
• Clean up exported data by keeping only relevant entries

Efficient Text Filtering with Our Line Keeper Tool

Our Line Keeper Tool is an essential utility for anyone working with large blocks of text who needs to extract only the most relevant information. This powerful yet simple tool allows you to filter text by keeping only lines that contain specific words or phrases you specify.

Why Use a Line Keeper Utility?

Text processing is a common task in many fields, from data analysis to content management. Manual filtering can be time-consuming and error-prone, especially with large documents. Our tool provides:

• Time savings - Process thousands of lines in seconds
• Accuracy - Never miss a matching line
• Flexibility - Handle multiple keywords and adjust settings
• No installation - Works directly in your browser

Advanced Features for Precise Filtering

Unlike basic text filters, our Line Keeper Tool includes several professional features:

• Multiple keyword support - Search for several terms at once
• Case sensitivity option - Match exact capitalization when needed
• Custom delimiters - Work with different line break formats
• Real-time statistics - See how many lines matched your criteria

Common Use Cases

This tool has applications across many industries and scenarios:

• Developers can filter log files for specific error messages
• Researchers can extract relevant data from large datasets
• Writers can find all mentions of specific topics in their drafts
• Data analysts can pre-process CSV files before importing
• Students can quickly find key information in research materials

How It Compares to Other Solutions

While command-line tools like grep offer similar functionality, our browser-based solution provides distinct advantages:

• No technical knowledge required - Simple interface anyone can use
• Accessible anywhere - Works on any device with a web browser
• No data upload - Your text never leaves your computer
• Immediate results - See filtered text in real-time

Tips for Best Results

To get the most out of the Line Keeper Tool:

1. Be specific with your keywords to reduce false positives
2. Use the case-sensitive option when capitalization matters
3. For CSV/TSV data, set the delimiter to comma or tab
4. Combine multiple related terms to capture variations
5. Check the statistics to ensure you're keeping the right amount of data

Whether you're a professional working with data daily or just need to filter text occasionally, our free Line Keeper Tool provides a simple, effective solution to extract exactly the information you need from any text document.